MacViews: Implement event monitoring for a specific window

ui/views/event_monitor_aura_unittest.cc

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ui/events/test/event_generator.h"
+#include "ui/events/test/test_event_handler.h"
+#include "ui/views/event_monitor.h"
+#include "ui/views/test/widget_test.h"
+
+namespace views {
+namespace test {
+
+class EventMonitorAuraTest : public WidgetTest {
+ public:
+  void SetUp() override {

[tapted, 2014/12/10 02:58:27]

nit: // testing::Test:

[Andre, 2014/12/10 22:58:04]

Done.

[Andre, 2014/12/10 22:58:04]

Done.

+    WidgetTest::SetUp();
+    widget_ = CreateTopLevelNativeWidget();
+    widget_->SetSize(gfx::Size(100, 100));
+    widget_->Show();
+    generator_.reset(
+        new ui::test::EventGenerator(GetContext(), widget_->GetNativeWindow()));
+  }
+  void TearDown() override {
+    widget_->CloseNow();
+    WidgetTest::TearDown();
+  }
+
+ protected:
+  Widget* widget_;

[tapted, 2014/12/10 02:58:27]

nit: Initialize widget_(nullptr) in a default constructor

[Andre, 2014/12/10 22:58:04]

Done.

+  scoped_ptr<ui::test::EventGenerator> generator_;
+  ui::test::TestEventHandler handler_;
+};

[tapted, 2014/12/10 02:58:27]

nit: private: DISALLOW_COPY_AND_ASSIGN(..)

[Andre, 2014/12/10 22:58:05]

Done.

+
+TEST_F(EventMonitorAuraTest, ShouldReceiveAppEventsWhileInstalled) {
+  scoped_ptr<EventMonitor> monitor(
+      EventMonitor::CreateApplicationMonitor(&handler_));
+
+  generator_->ClickLeftButton();
+  EXPECT_EQ(2, handler_.num_mouse_events());
+
+  monitor.reset();
+  generator_->ClickLeftButton();
+  EXPECT_EQ(2, handler_.num_mouse_events());
+}
+
+TEST_F(EventMonitorAuraTest, ShouldReceiveWindowEventsWhileInstalled) {
+  scoped_ptr<EventMonitor> monitor(
+      EventMonitor::CreateWindowMonitor(&handler_, widget_->GetNativeWindow()));
+
+  generator_->ClickLeftButton();
+  EXPECT_EQ(2, handler_.num_mouse_events());
+
+  monitor.reset();
+  generator_->ClickLeftButton();
+  EXPECT_EQ(2, handler_.num_mouse_events());
+}
+
+TEST_F(EventMonitorAuraTest, ShouldNotReceiveEventsFromOtherWindow) {
+  Widget* widget2 = CreateTopLevelNativeWidget();
+  scoped_ptr<EventMonitor> monitor(
+      EventMonitor::CreateWindowMonitor(&handler_, widget2->GetNativeWindow()));
+
+  generator_->ClickLeftButton();
+  EXPECT_EQ(0, handler_.num_mouse_events());
+
+  widget2->CloseNow();
+}
+
+}  // namespace test
+}  // namespace views